<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>第一部分-模块二作业2</title>
    <style>
        .container{
            width: 200px;
            height: 200px;
            border-radius: 100px;
            background-color: skyblue;
            margin-left: 10%;
            margin-top: 10%;
            animation: move 5s linear 0s infinite;
        }
        @keyframes move{
            0%{
                transform: translate(0,0);
            }
            25%{
                transform: translate(500px,0);
            }
            50%{
                transform: translate(500px,500px);
            }
            75%{
                transform: translate(0,500px);
            }
            100%{
                transform: translate(0,0);
            }
        }
    </style>
</head>
<body>
    <div class="container"></div>
</body>
</html>